# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import socket
from ironicclient import client
from ironicclient import exceptions as ironic_exc
import netaddr
from oslo_config import cfg
from ironic_inspector.common.i18n import _
from ironic_inspector.common import keystone
from ironic_inspector import utils
CONF = cfg.CONF
LOG = utils.getProcessingLogger(__name__)
# See http://specs.openstack.org/openstack/ironic-specs/specs/kilo/new-ironic-state-machine.html # noqa
VALID_STATES = {'enroll', 'manageable', 'inspecting', 'inspect failed'}
SET_CREDENTIALS_VALID_STATES = {'enroll'}
# 1.11 is API version, which support 'enroll' state
DEFAULT_IRONIC_API_VERSION = '1.11'
IRONIC_GROUP = 'ironic'
IRONIC_OPTS = [
cfg.StrOpt('os_region',
help=_('Keystone region used to get Ironic endpoints.')),
cfg.StrOpt('auth_strategy',
default='keystone',
choices=('keystone', 'noauth'),
help=_('Method to use for authentication: noauth or '
'keystone.')),
cfg.StrOpt('ironic_url',
default='http://localhost:6385/',
help=_('Ironic API URL, used to set Ironic API URL when '
'auth_strategy option is noauth to work with standalone '
'Ironic without keystone.')),
cfg.StrOpt('os_service_type',
default='baremetal',
help=_('Ironic service type.')),
cfg.StrOpt('os_endpoint_type',
default='internalURL',
help=_('Ironic endpoint type.')),
cfg.IntOpt('retry_interval',
default=2,
help=_('Interval between retries in case of conflict error '
'(HTTP 409).')),
cfg.IntOpt('max_retries',
default=30,
help=_('Maximum number of retries in case of conflict error '
'(HTTP 409).')),
]
CONF.register_opts(IRONIC_OPTS, group=IRONIC_GROUP)
keystone.register_auth_opts(IRONIC_GROUP)
IRONIC_SESSION = None
[docs]class NotFound(utils.Error):
"""Node not found in Ironic."""
def __init__(self, node_ident, code=404, *args, **kwargs):
msg = _('Node %s was not found in Ironic') % node_ident
super(NotFound, self).__init__(msg, code, *args, **kwargs)
[docs]def reset_ironic_session():
"""Reset the global session variable.
Mostly useful for unit tests.
"""
global IRONIC_SESSION
IRONIC_SESSION = None
[docs]def get_ipmi_address(node):
ipmi_fields = ['ipmi_address'] + CONF.ipmi_address_fields
# NOTE(sambetts): IPMI Address is useless to us if bridging is enabled so
# just ignore it and return None
if node.driver_info.get("ipmi_bridging", "no") != "no":
return
for name in ipmi_fields:
value = node.driver_info.get(name)
if not value:
continue
try:
ip = socket.gethostbyname(value)
except socket.gaierror:
msg = _('Failed to resolve the hostname (%(value)s)'
' for node %(uuid)s')
raise utils.Error(msg % {'value': value,
'uuid': node.uuid},
node_info=node)
if netaddr.IPAddress(ip).is_loopback():
LOG.warning('Ignoring loopback BMC address %s', ip,
node_info=node)
ip = None
return ip
[docs]def get_client(token=None,
api_version=DEFAULT_IRONIC_API_VERSION): # pragma: no cover
"""Get Ironic client instance."""
# NOTE: To support standalone ironic without keystone
if CONF.ironic.auth_strategy == 'noauth':
args = {'token': 'noauth',
'endpoint': CONF.ironic.ironic_url}
else:
global IRONIC_SESSION
if not IRONIC_SESSION:
IRONIC_SESSION = keystone.get_session(IRONIC_GROUP)
if token is None:
args = {'session': IRONIC_SESSION,
'region_name': CONF.ironic.os_region}
else:
ironic_url = IRONIC_SESSION.get_endpoint(
service_type=CONF.ironic.os_service_type,
endpoint_type=CONF.ironic.os_endpoint_type,
region_name=CONF.ironic.os_region
)
args = {'token': token,
'endpoint': ironic_url}
args['os_ironic_api_version'] = api_version
args['max_retries'] = CONF.ironic.max_retries
args['retry_interval'] = CONF.ironic.retry_interval
return client.Client(1, **args)
[docs]def check_provision_state(node, with_credentials=False):
state = node.provision_state.lower()
if with_credentials and state not in SET_CREDENTIALS_VALID_STATES:
msg = _('Invalid provision state for setting IPMI credentials: '
'"%(state)s", valid states are %(valid)s')
raise utils.Error(msg % {'state': state,
'valid': list(SET_CREDENTIALS_VALID_STATES)},
node_info=node)
elif not with_credentials and state not in VALID_STATES:
msg = _('Invalid provision state for introspection: '
'"%(state)s", valid states are "%(valid)s"')
raise utils.Error(msg % {'state': state, 'valid': list(VALID_STATES)},
node_info=node)
[docs]def capabilities_to_dict(caps):
"""Convert the Node's capabilities into a dictionary."""
if not caps:
return {}
return dict([key.split(':', 1) for key in caps.split(',')])
[docs]def dict_to_capabilities(caps_dict):
"""Convert a dictionary into a string with the capabilities syntax."""
return ','.join(["%s:%s" % (key, value)
for key, value in caps_dict.items()
if value is not None])
[docs]def get_node(node_id, ironic=None, **kwargs):
"""Get a node from Ironic.
:param node_id: node UUID or name.
:param ironic: ironic client instance.
:param kwargs: arguments to pass to Ironic client.
:raises: Error on failure
"""
ironic = ironic if ironic is not None else get_client()
try:
return ironic.node.get(node_id, **kwargs)
except ironic_exc.NotFound:
raise NotFound(node_id)
except ironic_exc.HttpError as exc:
raise utils.Error(_("Cannot get node %(node)s: %(exc)s") %
{'node': node_id, 'exc': exc})
[docs]def list_opts():
return keystone.add_auth_options(IRONIC_OPTS, IRONIC_GROUP)